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pectin

(Encyclopedia)pectin, any of a group of white, amorphous, complex carbohydrates that occur in ripe fruits and certain vegetables. Fruits rich in pectin are the peach, apple, currant, and plum. Protopectin, present ...

table tennis

(Encyclopedia)table tennis, game played, usually indoors, by two or four players; it is more or less a miniature form of lawn tennis. It is also called Ping-Pong, after the trade name that a manufacturer adopted (c...

Vico, Giovanni Battista

(Encyclopedia)Vico, Giovanni Battista jōvänˈnē bät-tēˈstä vēˈkō [key], 1668–1744, Italian philosopher and historian, also known as Giambattista Vico, b. Naples. In 1699, Vico became professor of rhetor...

aging

(Encyclopedia)aging, in biology, cumulative changes in an organism, organ, tissue, or cell leading to a decrease in functional capacity. In humans, aging is associated with degenerative changes in the skin, bones, ...

vineyard

(Encyclopedia)vineyard, land on which cultivation of the grape—known as viticulture—takes place. As many as 40 varieties of grape, Vitis vinifera, are known. The few that grow wild are generally not used; all d...

Elba

(Encyclopedia)Elba ĕlˈbä [key], island, 86 sq mi (223 sq km), Tuscany, central Italy, in the Tyrrhenian Sea, 6 mi (9.7 km) from the Italian mainland, part of the Tuscan Archipelago. Iron ore has been mined there...

Demuth, Charles

(Encyclopedia)Demuth, Charles dāˈmo͞oth [key], 1883–1935, American watercolor painter, b. Lancaster, Pa. At the age of 20 he began his art study under William Chase at the Pennsylvania Academy of the Fine Arts...

hop

(Encyclopedia)hop, herbaceous perennial vine of the family Moraceae (mulberry family), widely cultivated since early times for brewing purposes. The commercial hop (Humulus lupulus) is native to Eurasia but is now ...

Grand Rapids

(Encyclopedia)Grand Rapids. <1> City (2020 pop. 198,917), seat of Kent co., SW central Mich., on the Grand River; inc. 1850. The second largest city in the stat...

Attis

(Encyclopedia)Attis āˈ– [key], in Phrygian religion, vegetation god. When Nana ate the fruit of the almond tree, which had been generated by the blood of either Agdistis or of Cybele, she conceived Attis. Later...